Base | Representation |
---|---|
bin | 111010111111… |
… | …0111001010001 |
3 | 2011012022212201 |
4 | 1311332321101 |
5 | 30404202330 |
6 | 3022523201 |
7 | 523613311 |
oct | 165767121 |
9 | 64168781 |
10 | 30928465 |
11 | 16505017 |
12 | a436501 |
13 | 653b789 |
14 | 4171441 |
15 | 2aadeca |
hex | 1d7ee51 |
30928465 has 8 divisors (see below), whose sum is σ = 37176768. Its totient is φ = 24701040.
The previous prime is 30928463. The next prime is 30928489. The reversal of 30928465 is 56482903.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30928465 - 21 = 30928463 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30928463) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1747 + ... + 8056.
It is an arithmetic number, because the mean of its divisors is an integer number (4647096).
Almost surely, 230928465 is an apocalyptic number.
It is an amenable number.
30928465 is a deficient number, since it is larger than the sum of its proper divisors (6248303).
30928465 is an equidigital number, since it uses as much as digits as its factorization.
30928465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10439.
The product of its (nonzero) digits is 51840, while the sum is 37.
The square root of 30928465 is about 5561.3366199143. The cubic root of 30928465 is about 313.8962461649.
The spelling of 30928465 in words is "thirty million, nine hundred twenty-eight thousand, four hundred sixty-five".
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